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CHEMISTRY FROM 2
Chapter 3: The PERIODIC TABLE
The works of Dimitri Mendeleev
He grouped elements according to properties
He made possible predictions of the properties of elements that were yet to be discovered
He put forward a periodic law which states that “properties of elements are a periodic function their atomic masses”.
par
Claude Foumtum
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CHEMISTRY FROM 2
Chapter 1: Chemical symbols, Formulae and Valencies
Definitions
DERIVING CHEMICAL FORMULAE
Chemical reactions and Equations
Balancing chemical equations
THE LAW OF CONSERVATION OF MASS
ACTION OF HEAT ON A SUBSTANCE
REACTION OF SUBSTANCES WITH OXYGEN
RUSTING OF IRON
Chapter 2: THE ATOM
The Dalton?s atomic theory
Subatomic particles and their charges
Masses of subatomic particles
Arrangement of electrons in atoms
ASSIGNMENT
Chapter 3: The PERIODIC TABLE
Definition
The works of Dimitri Mendeleev
The modern periodic table
Groups of the periodic table
Metals and Non-metals
Chapter 4: States of matter
Definition
TYPES OF MATTER
Change of state
Pure substances
Techniques of separation
Experiment to purify sea water
c) CHROMATOGRAPHY
Criteria for purity
